![]() ![]() "Layer after layer after layer is revealed to you. "But the template, all the way down to the DNA that builds it, is already present in creatures like this." "We have a big brain, and portions of that big brain are not seen in Tiktaalik," says Shubin. Of course, there are things that we have that Tiktaalik doesn't. "Everything that we have are versions of things that are seen in fish," says Shubin. Shoulders, elbows, legs, a neck, a wrist - they're all there in Tiktaalik. ![]() Shubin says his find, which he named Tiktaalik, represents an important evolutionary step, because it has the structures that will ultimately become parts of our human bodies. It took him years of searching in the Canadian Arctic, but in 2004, Neil Shubin found the fossilized remains of what he thinks is one of our most important ancestors. Zina Deretsky/National Science Foundation Known as a "fishapod," Tiktaalik bridged the gap between sea living and land living creatures, and played an important evolutionary role on our journey to becoming human. An illustration of what the sea creature Tiktaalik may have looked like. ![]()
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